Did You Know?
Some galaxies have no dark matter.
NGC 1052-DF2 is the first galaxy discovered that appears to contain no dark matter, which challenges our understanding of galaxy formation. Usually, galaxies contain more dark matter than visible matter. This discovery suggests there might be multiple ways for galaxies to form.
Did You Know?
The most distant human-made object is now in interstellar space.
Voyager 1, launched in 1977, became the first human-made object to enter interstellar space in 2012. It's now...
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There’s a planet with a surface temperature of 4,300°C, hotter than some stars.
KELT-9b is the hottest known exoplanet, with a dayside temperature hotter than many stars. It's so hot that...
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There’s a galaxy that’s shooting out a jet of water equivalent to 58 trillion Pacific Oceans.
A quasar called APM 08279+5255 contains a supermassive black hole surrounded by a massive vapor cloud. The black...